FusionModule1000A40 Prefabricated All-in-One Data
Center
Commissioning Guide
8 Commissioning Core Components
Issue 02 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
59
Number of cells indicates the number of 2 V batteries connected to the UPS. The Number of
cells parameter affects the charge voltage and discharge time. Incorrect setting will cause a
high or low charge voltage, which greatly shortens the battery lifespan. In addition, the UPS
may shut down in advance during discharging, which may result in data backup failure.
lists the examples about how to set the battery parameters.
Table 8-3
Battery parameter settings
Battery
Specifications
Number of
Batteries
Number of
Battery
Strings
Number of
Cells
Battery
Capacity
40 Ah/12 V
40 batteries
connected in
series
Three battery
strings
connected in
parallel to the
UPS
40 x 6 = 240
40 Ah + 40 Ah
+ 40 Ah = 120
Ah
100 Ah/12 V
32 batteries
connected in
series
Two battery
strings
connected in
parallel to the
UPS
32 x 6 = 192
100 Ah + 100
Ah = 200 Ah
Step 7
After confirming that the battery strings are properly connected, turn on the battery string
input switch. If there are multiple battery strings, turn on the switch for each battery string and
then the general switch between battery strings and the UPS.
After you turn on the battery switch, the
No Battery
alarm disappears from the MDU.
Step 8
Turn on UPS output circuit breaker Q3 to supply power to loads.
When the UPS is started, perform a battery capacity test to ensure that battery parameters are
correctly displayed. For details, see the integrated UPS user manual.
Step 9
After verifying that the initial configurations are correct, switch on the integrated UPS output
circuit breakers.
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